%0 Journal Article %T Lower sea levels in the Middle Cenomanian %A Hancock Jake M. %J Carnets de G¨Ļologie %D 2003 %I Carnets de G¨Ļologie %X It has been known since the 1970's that the relatively high sea levels during the Cenomanian in southern England and northern France were interrupted by a strong fall in sea level early in the Middle Cenomanian. This was a eustatic trough whose effects can be found not only in north-west Europe, but also from western Kazakhstan in central Asia to Texas, Colorado and South Dakota in the U.S.A. %K Mid Cenomanian eustatic low %K Rouen Fossil Bed %K Primus Event %K Thatcher Limestone %K Colorado %K Subzone of Turrilites costatus %U http://paleopolis.rediris.es/cg/CG2003_L02_JMH/index.html